Home / 20,850.23-31,267.76-6,055.18

Finding the Fourth Proportional to 20,850.23, 31,267.76 and 6,055.18

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Solution

The fourth proportional to 20,850.23, 31,267.76 and 6,055.18 is: 9,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850.23 : 31,267.76 = 6,055.18 : x
  2. Step 2: Convert to fraction form
    20,850.23/31,267.76 = 6,055.18/x
  3. Step 3: Cross multiply
    20,850.23x = 31,267.76 × 6,055.18
  4. Step 4: Simplify right side
    20,850.23x = 189,331,806.55
  5. Step 5: Solve for x
    x = 189,331,806.55/20,850.23
  6. Step 6: Final answer
    x = 9,080.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.